Xeon Gold 6421N vs i9-13900KF

Aggregate performance score

Core i9-13900KF
2022
24 cores / 32 threads, 125 Watt
36.71
Xeon Gold 6421N
2023
32 cores / 64 threads, 185 Watt
37.02
+0.8%

Xeon Gold 6421N outperforms Core i9-13900KF by a minimal 1% based on our aggregate benchmark results.

Primary details

Comparing Core i9-13900KF and Xeon Gold 6421N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking9390
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation61.3944.63
Market segmentDesktop processorServer
SeriesIntel Core i9no data
Power efficiency13.7318.94
Architecture codenameRaptor Lake, Raptor Cove, Gracemont (2022)Sapphire Rapids (2023−2024)
Release date27 September 2022 (2 years ago)10 January 2023 (1 year ago)
Launch price (MSRP)$564$2,368

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-13900KF has 38% better value for money than Xeon Gold 6421N.

Detailed specifications

Core i9-13900KF and Xeon Gold 6421N basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores24 (Tetracosa-Core)32 (Dotriaconta-Core)
Threads3264
Base clock speed3 GHz1.8 GHz
Boost clock speed5.7 GHz3.6 GHz
Bus rate4 × 16 GT/sno data
Multiplier30no data
L1 cache80K (per core)80K (per core)
L2 cache2 MB (per core)2 MB (per core)
L3 cache36 MB (shared)60 MB
Chip lithographyIntel 7 nmIntel 7 nm
Die size257 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C85 °C
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-13900KF and Xeon Gold 6421N compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1700FCLGA4677
Power consumption (TDP)125 W, 253 Watt185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-13900KF and Xeon Gold 6421N. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0+no data
Deep Learning Boost++

Security technologies

Core i9-13900KF and Xeon Gold 6421N technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Key+no data
SGXno dataYes with Intel® SPS
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-13900KF and Xeon Gold 6421N are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-13900KF and Xeon Gold 6421N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5600, DDR4-3200DDR5-4400
Maximum memory size192 GB4 TB
Max memory channels28
Maximum memory bandwidth89.604 GB/sno data
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Core i9-13900KF and Xeon Gold 6421N.

PCIe version5.0 and 4.05
PCI Express lanes2080

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-13900KF 36.71
Xeon Gold 6421N 37.02
+0.8%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-13900KF 58305
Xeon Gold 6421N 58797
+0.8%

Gaming performance

Pros & cons summary


Performance score 36.71 37.02
Recency 27 September 2022 10 January 2023
Physical cores 24 32
Threads 32 64
Power consumption (TDP) 125 Watt 185 Watt

i9-13900KF has 48% lower power consumption.

Xeon Gold 6421N, on the other hand, has a 0.8% higher aggregate performance score, an age advantage of 3 months, and 33.3% more physical cores and 100% more threads.

Given the minimal performance differences, no clear winner can be declared between Core i9-13900KF and Xeon Gold 6421N.

Note that Core i9-13900KF is a desktop processor while Xeon Gold 6421N is a server/workstation one.


Should you still have questions on choice between Core i9-13900KF and Xeon Gold 6421N, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-13900KF
Core i9-13900KF
Intel Xeon Gold 6421N
Xeon Gold 6421N

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Community ratings

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